/*
 * Copyright 2002-2012 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.springframework.beans;

/**
 * Exception thrown when instantiation of a bean failed.
 * Carries the offending bean class.
 *
 * 在Bean实例化失败后抛出的异常
 *
 * @author Juergen Hoeller
 * @since 1.2.8
 */
@SuppressWarnings("serial")
public class BeanInstantiationException extends FatalBeanException {

    /**
     * Bean类
     */
    private Class beanClass;


    /**
     * Create a new BeanInstantiationException.
     *
     * Bean实例化异常
     *
     * @param beanClass the offending bean class
     * @param msg the detail message
     */
    public BeanInstantiationException(Class beanClass, String msg) {
        this(beanClass, msg, null);
    }

    /**
     * Create a new BeanInstantiationException.
     *
     * Bean实例化异常
     *
     * @param beanClass the offending bean class
     * @param msg the detail message
     * @param cause the root cause
     */
    public BeanInstantiationException(Class beanClass, String msg, Throwable cause) {
        super("Could not instantiate bean class [" + beanClass.getName() + "]: " + msg, cause);
        this.beanClass = beanClass;
    }

    /**
     * Return the offending bean class.
     *
     * 返回Bean对应的类
     *
     */
    public Class getBeanClass() {
        return beanClass;
    }

}
